NHTSA ID Number: 10120491
Manufacturer Communication Number: SP-234, Rev. C
TSB/Document Date: 2017-10-21
Summary
Operation Name: Hendrickson
Truck Commercial Vehicle Systems Document Name: Parts List - PRIMAAX EX Rear Air Suspension for Caterpillar Vehicles Built Prior to 2/2016 Summary: This document provides parts lists for Hendrickson PRIMAAX EX rear air suspension systems equipped on applcable Caterpillar vehicles built prior to February 2016.
PRIMAAX® EX Rear Air
Suspension for
Caterpillar Vehicles
Built PRIOR to 2/2016
LIT NO: SP-234
DATE: September 2017
REVISION: C
CONTENTS
Description Page
Description Page
Technical Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Parts List
Selection Guide
■■
23K • 46K • 69K – 9"-10½" Ride Height. . . . . . . . 4
Bottom Cap, Longitudinal Torque Rod
Assembly and Torque Rod Spacer. . . . . . . . . . . . 3
■■
23K • 46K • 69K – 13" Ride Height. . . . . . . . . . . . 6
■■
26K – 9" Ride Height . . . . . . . . . . . . . . . . . . . . . 8
U-beam Assembly Enhancement Aftermarket
Service Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Severe Service Kits. . . . . . . . . . . . . . . . . . . . . . . . 10
■■
■■
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Special Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
PRIMAAX® EX for Caterpillar Vehicles
Technical Notes
The following information is intended to assist in determining which suspension is equipped on Caterpillar vehicles. As an
example, Figure 1 identifies the ride height.
2
SP-234
Selection Guide
PRIMAAX EX 23K • 46K • 69K
Bottom Cap, Longitudinal Torque Rod Assembly and Torque Rod Spacer
Page 4
Page 6
9", 10½" Ride Heights,
13" Ride Height
Bottom Cap
(2 per axle)
Torque Rod Spacer
(4 per axle)
Longitudinal Torque
Rod Assembly
(2 per axle)
♦
Part No.
Part No.
Part No.
Pinion
Angle
Thickness
mm
Inches
Not Required
60556-035
67274-510
2.54
67045-072
6.35
¼
3.61
67045-071
12.7
½
4.56
67045-070
19
¾
5.72
67045-069
25.4
1
6.71
Not Required
60556-100
67274-540
60556-105
6.62
67045-072
6.35
¼
7.67
67045-071
12.7
½
8.62
67045-070
19
¾
9.77
67045-069
25.4
1
10.75
Not Required
7.07
67045-072
6.35
¼
8.12
67045-071
12.7
½
9.06
67045-070
19
¾
10.22
67045-069
25.4
1
11.20
NOTE: ♦Non-serviceable torque rod bushings, requires replacement of complete torque rod assembly with bushings.
U-beam Assembly Enhancement Aftermarket Service Kit
Service Kit No. 69565-001, Axle Set
PART NO.
DESCRIPTION
QTY.
69351-000
Sikaflex 221 Polyurethane Sealant, 300 ml Tube
1
69570-000
Loctite® 277 - 10 ml Bottle
1
**
Tamper Resistant Cap
2
**
7
⁄8"-9 UNC x 3¾" Hex Bolt
2
**
7
⁄8" H-Coat Flat Washer
2
SP-234
3
COMMENTS
In the event any service to the suspension requiring
disassembly of a U-beam assembly equipped with
integrated end caps, the Loctite 277, tamper resistant
caps and Sikaflex 221 polyurethane sealant must be
properly installed to ensure components function to their
highest efficiency.
For all (*) see Notes on Page 10
PRIMAAX® EX 23K • 46K • 69K for Caterpillar Vehicles
9", 10½" Ride Heights
4
SP-234
PRIMAAX® EX 23K • 46K • 69K for Caterpillar Vehicles
KEY NO. PART NO.
DESCRIPTION
*VEHICLE
QTY.
KEY NO. PART NO.
DESCRIPTION
1
67706-000
Frame Hanger
4
QUIK-ALIGN® Pivot Bushing Service Kit,
Includes Key Nos. 2-7, 52
60961-720 One Wheel End
60632-020 Axle Set
QUIK-ALIGN Collar Service Kit,Includes Key Nos. 3-7
60632-019 One Wheel End, Replaces 60632-006
60632-021 Axle Set
60632-018
QUIK-ALIGN Fastener Service Kit,One Wheel End,
Includes Key Nos. 5-7, Replaces 60632-005
2
**Pivot Bushing
4
3
**Concentric Collar
4
4
**Eccentric Collar
4
5
**1"-14 UNF-2A x 7½" H-Coat Hex Bolt
4
6
**1" H-Coat Flat Washer,
8
7
**1"-14 UNF-2B H-Coat Locknut
4
8
65290-001
Top Pad
4
U-bolt Service Kit, One Wheel End,
48718-108
10½" Ride Height, Includes Key Nos. 9a,10-11
48718-125 9" Ride Height, Includes Key Nos. 9b,10-11
9
**¾" Square U-bolt
8
a 87⁄8" Length - 10½" Ride Height
b 103⁄8" Length - 9" Ride Height
10
**¾" Flat Washer
16
11
**¾"-16 UNF U-bolt Locknut
16
12
60556-XXX
Bottom Cap - Front and Rear,
4
See Selection Guide on Page 3
13
65139-003
Axle Spacer, 9" Ride Height
4
14
U-beam Assembly, Includes Key Nos. 2, 16
2
• Front Frame Width
67249-004 34.0"
67249-012 34.3"
67249-010 34.5"
67249-024 34.8"
67249-018 35.0"
• Rear Frame Width
67249-003 34.0"
67249-011 34.3"
67249-009 34.5"
67249-023 34.8"
67249-017 35.0"
15
69565-001
U-beam Assembly Enhancement Aftermarket
Service Kit, Axle Set, See Page 3 for contents
Single D-Pin Bushing Service Kit,
34013-107 Includes Key Nos. 16, 17a, 18-19
34013-116 Includes Key Nos. 16, 17b, 18-19
34013-117 Includes Key Nos. 16, 17c, 18-19
16
**D-Pin Bushing
4
D-Pin Fastener Service Kit, Axle Set,
56659-009 Includes Key Nos. 17a, 18-19
56659-013 Includes Key Nos. 17b, 18-19
56659-012 Includes Key Nos. 17c, 18-19
17
**¾"-16 UNF Bolt
8
a 5" Length
b 5½" Length
c 4¾" Length
SP-234
*VEHICLE
QTY.
18
19
**¾" Flat Washer
16
**¾"-16 UNF Locknut
8
60961-664
Single Air Spring Service Kit,
Includes Key Nos. 20-23
20
67234-002L
Air Spring Assembly, Includes Upper Frame
4
Bracket and Fasteners
21
60911-002
Lower Air Spring Mounting Bracket
4
49177-006
Lower Air Spring Fastener Service Kit, Single,
Includes Key Nos. 22-23
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TSB/Document ID: SP-234, Rev. C
Replacement Service Bulletin Number:
MFR Communication Date: 2017-09-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SUSPENSION
MFR Component System:
MFR Component Subsystem:
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